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Loans Payable - Summary of Debt Premium (Parenthetical) (Detail) - Monaco Notes [Member] | Dec. 31, 2017 USD ($)
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Debt Instrument [Line Items] |
Face amount of new loans | $ 2,800,000
Paid-in Capital [Member] |
Debt Instrument [Line Items] |
Debt premium recorded to additional paid-in capital | $ 817,858

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- Definition Amount, after accumulated amortization, of debt premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 + Details
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